Typical imaging features of hepatic angiomyolipoma: “rapid wash-in and wash-out”, but not hepatocellular carcinoma_CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY

Authors：

CHEN Yushu , QIN Yun , CHEN Weixia ,  YAO Jin

Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;

Corresponding author：

YAO Jin, Email: shelleyyao@163.com

Keywords：

hepatic angiomyolipoma; typical imaging feature; diagnosis; differential diagnosis

DOI：

10.7507/1007-9424.202212030

Video：

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Hepatic angiomyolipoma (HAML) is a rare benign mesenchymal tumor of the liver, which has highly variable imaging appearances, often leads to missed diagnosis and misdiagnosis. The images of 2 patients with HAML confirmed by pathology were presented in this study, and the typical imaging features of the HAML, the underlying pathophysiological mechanism, and the differential diagnosis were briefly summarized so as to deepen the understanding of HAML and to improve the diagnosis and differential diagnosis abilities of HAML, then reduce the rates of missed diagnosis and misdiagnosis of the HAML.

Citation： CHEN Yushu, QIN Yun, CHEN Weixia, YAO Jin. Typical imaging features of hepatic angiomyolipoma: “rapid wash-in and wash-out”, but not hepatocellular carcinoma. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2023, 30(3): 285-289. doi: 10.7507/1007-9424.202212030 Copy

1.	Calame P, Tyrode G, Weil Verhoeven D, et al. Clinical characteristics and outcomes of patients with hepatic angiomyolipoma: a literature review. World J Gastroenterol, 2021, 27(19): 2299-2311.
2.	Jeon TY, Kim SH, Lim HK, et al. Assessment of triple-phase CT findings for the differentiation of fat-deficient hepatic angiomyolipoma from hepatocellular carcinoma in non-cirrhotic liver. Eur J Radiol, 2010, 73(3): 601-606.
3.	Jia J, Luo J, Pan CG, et al. Single-center experience in the diagnosis and treatment of hepatic perivascular epithelioid cell neoplasm. J Clin Transl Hepatol, 2022, 10(1): 72-79.
4.	Ji JS, Lu CY, Wang ZF, et al. Epithelioid angiomyolipoma of the liver: CT and MRI features. Abdom Imaging, 2013, 38(2): 309-314.
5.	Liu W, Liang W. CT features of hepatic epithelioid angiomyolipoma: differentiation from hepatocellular carcinoma in patients with noncirrhotic livers. Quant Imaging Med Surg, 2018, 8(6): 597-608.
6.	Liu W, Wang J, Huang Q, et al. Comparison of MRI features of epithelioid hepatic angiomyolipoma and hepatocellular carcinoma: imaging data from two centers. Front Oncol, 2018, 8: 600. doi: 10.3389/fonc.2018.00600.
7.	Noreikaite J, Albasha D, Chidambaram V, et al. Indeterminate liver lesions on gadoxetic acid-enhanced magnetic resonance imaging of the liver: case-based radiologic-pathologic review. World J Hepatol, 2021, 13(9): 1079-1097.
8.	Prasad SR, Wang H, Rosas H, et al. Fat-containing lesions of the liver: radiologic-pathologic correlation. Radiographics, 2005, 25(2): 321-331.
9.	Seow J, McGill M, Wang W, et al. Imaging hepatic angio-myolipomas: key features and avoiding errors. Clin Radiol, 2020, 75(2): 88-99.
10.	Tang M, Li Y, Lin Z, et al. Hepatic nodules with arterial phase hyperenhancement and washout on enhanced computed tomography/magnetic resonance imaging: how to avoid pitfalls. Abdom Radiol (NY), 2020, 45(11): 3730-3742.
11.	Wang SY, Kuai XP, Meng XX, et al. Comparison of MRI features for the differentiation of hepatic angiomyolipoma from fat-containing hepatocellular carcinoma. Abdom Imaging, 2014, 39(2): 323-333.

1. Calame P, Tyrode G, Weil Verhoeven D, et al. Clinical characteristics and outcomes of patients with hepatic angiomyolipoma: a literature review. World J Gastroenterol, 2021, 27(19): 2299-2311.
2. Jeon TY, Kim SH, Lim HK, et al. Assessment of triple-phase CT findings for the differentiation of fat-deficient hepatic angiomyolipoma from hepatocellular carcinoma in non-cirrhotic liver. Eur J Radiol, 2010, 73(3): 601-606.
3. Jia J, Luo J, Pan CG, et al. Single-center experience in the diagnosis and treatment of hepatic perivascular epithelioid cell neoplasm. J Clin Transl Hepatol, 2022, 10(1): 72-79.
4. Ji JS, Lu CY, Wang ZF, et al. Epithelioid angiomyolipoma of the liver: CT and MRI features. Abdom Imaging, 2013, 38(2): 309-314.
5. Liu W, Liang W. CT features of hepatic epithelioid angiomyolipoma: differentiation from hepatocellular carcinoma in patients with noncirrhotic livers. Quant Imaging Med Surg, 2018, 8(6): 597-608.
6. Liu W, Wang J, Huang Q, et al. Comparison of MRI features of epithelioid hepatic angiomyolipoma and hepatocellular carcinoma: imaging data from two centers. Front Oncol, 2018, 8: 600. doi: 10.3389/fonc.2018.00600.
7. Noreikaite J, Albasha D, Chidambaram V, et al. Indeterminate liver lesions on gadoxetic acid-enhanced magnetic resonance imaging of the liver: case-based radiologic-pathologic review. World J Hepatol, 2021, 13(9): 1079-1097.
8. Prasad SR, Wang H, Rosas H, et al. Fat-containing lesions of the liver: radiologic-pathologic correlation. Radiographics, 2005, 25(2): 321-331.
9. Seow J, McGill M, Wang W, et al. Imaging hepatic angio-myolipomas: key features and avoiding errors. Clin Radiol, 2020, 75(2): 88-99.
10. Tang M, Li Y, Lin Z, et al. Hepatic nodules with arterial phase hyperenhancement and washout on enhanced computed tomography/magnetic resonance imaging: how to avoid pitfalls. Abdom Radiol (NY), 2020, 45(11): 3730-3742.
11. Wang SY, Kuai XP, Meng XX, et al. Comparison of MRI features for the differentiation of hepatic angiomyolipoma from fat-containing hepatocellular carcinoma. Abdom Imaging, 2014, 39(2): 323-333.

CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY

Typical imaging features of hepatic angiomyolipoma: “rapid wash-in and wash-out”, but not hepatocellular carcinoma

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